Share as YouTube temporary playlist

app/src/main/java/org/schabi/newpipe/local/playlist/ExportPlaylist.kt

@@ -0,0 +1,72 @@
+package org.schabi.newpipe.local.playlist
+
+import android.content.Context
+import org.schabi.newpipe.R
+import org.schabi.newpipe.database.playlist.PlaylistStreamEntry
+import org.schabi.newpipe.extractor.exceptions.ParsingException
+import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeStreamLinkHandlerFactory
+import org.schabi.newpipe.local.playlist.PlayListShareMode.JUST_URLS
+import org.schabi.newpipe.local.playlist.PlayListShareMode.WITH_TITLES
+import org.schabi.newpipe.local.playlist.PlayListShareMode.YOUTUBE_TEMP_PLAYLIST
+
+fun export(
+    shareMode: PlayListShareMode,
+    playlist: List<PlaylistStreamEntry>,
+    context: Context
+): String {
+    return when (shareMode) {
+        WITH_TITLES -> exportWithTitles(playlist, context)
+        JUST_URLS -> exportJustUrls(playlist)
+        YOUTUBE_TEMP_PLAYLIST -> exportAsYoutubeTempPlaylist(playlist)
+    }
+}
+
+fun exportWithTitles(
+    playlist: List<PlaylistStreamEntry>,
+    context: Context
+): String {
+
+    return playlist.asSequence()
+        .map { it.streamEntity }
+        .map { entity ->
+            context.getString(
+                R.string.video_details_list_item,
+                entity.title,
+                entity.url
+            )
+        }
+        .joinToString(separator = "\n")
+}
+
+fun exportJustUrls(playlist: List<PlaylistStreamEntry>): String {
+
+    return playlist.asSequence()
+        .map { it.streamEntity.url }
+        .joinToString(separator = "\n")
+}
+
+fun exportAsYoutubeTempPlaylist(playlist: List<PlaylistStreamEntry>): String {
+
+    val videoIDs = playlist.asReversed().asSequence()
+        .map { it.streamEntity.url }
+        .mapNotNull(::getYouTubeId)
+        .take(50) // YouTube limitation: temp playlists can't have more than 50 items
+        .toList()
+        .asReversed()
+        .joinToString(separator = ",")
+
+    return "https://www.youtube.com/watch_videos?video_ids=$videoIDs"
+}
+
+val linkHandler: YoutubeStreamLinkHandlerFactory = YoutubeStreamLinkHandlerFactory.getInstance()
+
+/**
+ * Gets the video id from a YouTube URL.
+ *
+ * @param url YouTube URL
+ * @return the video id
+ */
+fun getYouTubeId(url: String): String? {
+
+    return try { linkHandler.getId(url) } catch (e: ParsingException) { null }
+}

app/src/main/java/org/schabi/newpipe/local/playlist/LocalPlaylistFragment.java

@@ -2,8 +2,13 @@
 
 import static org.schabi.newpipe.error.ErrorUtil.showUiErrorSnackbar;
 import static org.schabi.newpipe.ktx.ViewUtils.animate;
+import static org.schabi.newpipe.local.playlist.ExportPlaylistKt.export;
+import static org.schabi.newpipe.local.playlist.PlayListShareMode.JUST_URLS;
+import static org.schabi.newpipe.local.playlist.PlayListShareMode.WITH_TITLES;
+import static org.schabi.newpipe.local.playlist.PlayListShareMode.YOUTUBE_TEMP_PLAYLIST;
 import static org.schabi.newpipe.util.ThemeHelper.shouldUseGridLayout;
 
+
 import android.content.Context;
 import android.os.Bundle;
 import android.os.Parcelable;
@@ -27,7 +32,6 @@
 import androidx.viewbinding.ViewBinding;
 
 import com.evernote.android.state.State;
-
 import org.reactivestreams.Subscriber;
 import org.reactivestreams.Subscription;
 import org.schabi.newpipe.NewPipeDatabase;
@@ -385,34 +389,41 @@ public boolean onOptionsItemSelected(final MenuItem item) {
     }
 
     /**
-     * Shares the playlist as a list of stream URLs if {@code shouldSharePlaylistDetails} is
-     * set to {@code false}. Shares the playlist name along with a list of video titles and URLs
-     * if {@code shouldSharePlaylistDetails} is set to {@code true}.
+     * Shares the playlist in one of 3 ways, depending on the value of {@code shareMode}:
+     * <ul>
+     *     <li>{@code JUST_URLS}: shares the URLs only.</li>
+     *     <li>{@code WITH_TITLES}: each entry in the list is accompanied by its title.</li>
+     *     <li>{@code YOUTUBE_TEMP_PLAYLIST}: shares as a YouTube temporary playlist.</li>
+     * </ul>
      *
-     * @param shouldSharePlaylistDetails Whether the playlist details should be included in the
-     *                                   shared content.
+     * @param shareMode The way the playlist should be shared.
      */
-    private void sharePlaylist(final boolean shouldSharePlaylistDetails) {
+    private void sharePlaylist(final PlayListShareMode shareMode) {
         final Context context = requireContext();
 
         disposables.add(playlistManager.getPlaylistStreams(playlistId)
-                .flatMapSingle(playlist -> Single.just(playlist.stream()
-                        .map(PlaylistStreamEntry::getStreamEntity)
-                        .map(streamEntity -> {
-                            if (shouldSharePlaylistDetails) {
-                                return context.getString(R.string.video_details_list_item,
-                                        streamEntity.getTitle(), streamEntity.getUrl());
-                            } else {
-                                return streamEntity.getUrl();
-                            }
-                        })
-                        .collect(Collectors.joining("\n"))))
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(urlsText -> ShareUtils.shareText(
-                                context, name, shouldSharePlaylistDetails
-                                        ? context.getString(R.string.share_playlist_content_details,
-                                        name, urlsText) : urlsText),
-                        throwable -> showUiErrorSnackbar(this, "Sharing playlist", throwable)));
+            .flatMapSingle(playlist -> Single.just(export(
+
+                shareMode,
+                playlist,
+                context
+            )))
+            .observeOn(AndroidSchedulers.mainThread())
+            .subscribe(
+                urlsText -> {
+
+                    final String content = shareMode == WITH_TITLES
+                        ? context.getString(R.string.share_playlist_content_details,
+                                            name,
+                                            urlsText
+                                           )
+                        : urlsText;
+
+                    ShareUtils.shareText(context, name, content);
+                },
+                throwable -> showUiErrorSnackbar(this, "Sharing playlist", throwable)
+            )
+        );
     }
 
     public void removeWatchedStreams(final boolean removePartiallyWatched) {
@@ -872,13 +883,15 @@ private PlayQueue getPlayQueue(final int index) {
     private void createShareConfirmationDialog() {
         new AlertDialog.Builder(requireContext())
                 .setTitle(R.string.share_playlist)
-                .setMessage(R.string.share_playlist_with_titles_message)
                 .setCancelable(true)
                 .setPositiveButton(R.string.share_playlist_with_titles, (dialog, which) ->
-                    sharePlaylist(/* shouldSharePlaylistDetails= */ true)
+                    sharePlaylist(WITH_TITLES)
+                )
+                .setNeutralButton(R.string.share_playlist_as_youtube_temporary_playlist,
+                    (dialog, which) -> sharePlaylist(YOUTUBE_TEMP_PLAYLIST)
                 )
                 .setNegativeButton(R.string.share_playlist_with_list, (dialog, which) ->
-                    sharePlaylist(/* shouldSharePlaylistDetails= */ false)
+                    sharePlaylist(JUST_URLS)
                 )
                 .show();
     }

app/src/main/java/org/schabi/newpipe/local/playlist/PlayListShareMode.java

@@ -0,0 +1,8 @@
+package org.schabi.newpipe.local.playlist;
+
+public enum PlayListShareMode {
+
+    JUST_URLS,
+    WITH_TITLES,
+    YOUTUBE_TEMP_PLAYLIST
+}

app/src/main/res/values-ar-rLY/strings.xml

@@ -856,6 +856,5 @@
     <string name="share_playlist_content_details">%1$s
 \n%2$s</string>
     <string name="share_playlist">شارِك قائمة التشغيل</string>
-    <string name="share_playlist_with_titles_message">شارِك قائمة التشغيل بتفاصيليها مثل اسم قائمة التشغيل وعناوين الفيديو أو كقائمة بسيطة من عناوين تشعّبيّة للفيديوهات</string>
     <string name="video_details_list_item">- %1$s: %2$s</string>
 </resources>

app/src/main/res/values-ar/strings.xml

@@ -856,7 +856,6 @@
     <string name="share_playlist_content_details">%1$s
 \n%2$s</string>
     <string name="share_playlist">مشاركة قائمة التشغيل</string>
-    <string name="share_playlist_with_titles_message">شارك تفاصيل قائمة التشغيل مثل اسم قائمة التشغيل وعناوين الفيديو أو كقائمة بسيطة من عناوين URL للفيديو</string>
     <string name="video_details_list_item">- %1$s: %2$s</string>
     <plurals name="replies">
         <item quantity="zero">رد %s</item>

app/src/main/res/values-az/strings.xml

@@ -787,7 +787,6 @@
     <string name="image_quality_high">Yüksək keyfiyyət</string>
     <string name="question_mark">\?</string>
     <string name="share_playlist">Oynatma siyahısın paylaş</string>
-    <string name="share_playlist_with_titles_message">Pleylist adı və video başlıqları kimi təfsilatlar və ya video URL-lərin sadə siyahısı olaraq pleylist paylaş</string>
     <string name="share_playlist_with_titles">Başlıqlarla paylaşın</string>
     <string name="video_details_list_item">- %1$s: %2$s</string>
     <string name="share_playlist_content_details">%1$s

app/src/main/res/values-be/strings.xml

@@ -781,7 +781,6 @@
     <string name="rewind">Пераматаць назад</string>
     <string name="replay">Паўтарыць</string>
     <string name="feed_fetch_channel_tabs_summary">Атрыманыя ўкладкі пры абнаўленні стужкі. Гэты параметр не прымяняецца, калі канал абнаўляецца ў хуткім рэжыме.</string>
-    <string name="share_playlist_with_titles_message">Абагуліць плэйліст, перадаецца назва плэйліста і назвы відэа або просты спіс URL-адрасоў відэа</string>
     <string name="image_quality_medium">Сярэдняя якасць</string>
     <string name="metadata_uploader_avatars">Загрузнік аватараў</string>
     <string name="metadata_banners">Банеры</string>

app/src/main/res/values-bg/strings.xml

@@ -714,7 +714,6 @@
     <string name="replay">Повторение</string>
     <string name="rewind">Превъртане назад</string>
     <string name="forward">Напред</string>
-    <string name="share_playlist_with_titles_message">Споделете плейлист с подробности, като име на плейлист и заглавия на видеоклипове или като обикновен списък с URL адреси на видеоклипове</string>
     <string name="share_playlist_with_list">Споделяне на списък с URL</string>
     <string name="delete_playback_states_alert">Изтрии всички позиции на възпроизвеждане?</string>
     <string name="watch_history_states_deleted">Позициите за възпроизвеждане са изтрити</string>

app/src/main/res/values-cs/strings.xml

@@ -806,7 +806,6 @@
     <string name="channel_tab_albums">Alba</string>
     <string name="rewind">Přetočení zpět</string>
     <string name="replay">Znovu přehrát</string>
-    <string name="share_playlist_with_titles_message">Sdílejte playlist s podrobnostmi jako je jeho název a názvy videí, nebo jako jednoduchý seznam adres videí</string>
     <string name="image_quality_medium">Střední kvalita</string>
     <string name="metadata_banners">Bannery</string>
     <string name="channel_tab_playlists">Playlisty</string>

app/src/main/res/values-da/strings.xml

@@ -772,7 +772,6 @@
     <string name="image_quality_none">Indlæs ikke billeder</string>
     <string name="image_quality_low">Lav kvalitet</string>
     <string name="share_playlist">Del Playliste</string>
-    <string name="share_playlist_with_titles_message">Del playliste med detajler såsom playlistenavn og videotitler eller som en simpel liste over video-URL\'er</string>
     <string name="share_playlist_with_titles">Del med Titler</string>
     <string name="share_playlist_with_list">Del URL-liste</string>
     <plurals name="replies">

app/src/main/res/values-de/strings.xml

@@ -804,7 +804,6 @@
     <string name="share_playlist_content_details">%1$s
 \n%2$s</string>
     <string name="share_playlist">Wiedergabeliste teilen</string>
-    <string name="share_playlist_with_titles_message">Teile die Wiedergabeliste mit Details wie dem Namen der Wiedergabeliste und den Videotiteln oder als einfache Liste von Video-URLs</string>
     <string name="video_details_list_item">- %1$s: %2$s</string>
     <plurals name="replies">
         <item quantity="one">%s Antwort</item>

app/src/main/res/values-el/strings.xml

@@ -804,7 +804,6 @@
     <string name="share_playlist_content_details">%1$s
 \n%2$s</string>
     <string name="share_playlist">Κοινοποίηση λίστας</string>
-    <string name="share_playlist_with_titles_message">Μοιραστείτε τη λίστα αναπαραγωγής με λεπτομέρειες όπως το όνομα της λίστας αναπαραγωγής και τους τίτλους βίντεο ή ως μια απλή λίστα διευθύνσεων URL βίντεο</string>
     <string name="video_details_list_item">- %1$s: %2$s</string>
     <plurals name="replies">
         <item quantity="one">%s απάντηση</item>

app/src/main/res/values-eo/strings.xml

@@ -616,7 +616,6 @@
     <string name="no_video_streams_available_for_external_players">Neniu filmofluo ludeblas por ekstera ludilo</string>
     <string name="channel_tab_videos">Filmetoj</string>
     <string name="remove_watched_popup_warning">Filmetoj kiuj spektiĝis antaŭ aŭ post sia aldoniĝo al la ludlisto foriĝus.. \nĈu vi certas? Ĉi tio nemalfareblus!</string>
-    <string name="share_playlist_with_titles_message">Kunhavigus ludliston inkluzivante informojn kiel la nomoj de listeroj, aŭ kiel simpla listo de ligiloj</string>
     <string name="reset_settings_summary">Restarigi implicitajn agordojn</string>
     <string name="remove_watched_popup_yes_and_partially_watched_videos">Jes, kaj ankaŭ parte spektitajn filmetojn</string>
 </resources>

app/src/main/res/values-es/strings.xml

@@ -818,7 +818,6 @@
     <string name="share_playlist_content_details">%1$s
 \n%2$s</string>
     <string name="share_playlist">Compartir la lista de reproducción</string>
-    <string name="share_playlist_with_titles_message">Compartir las listas de reproducción con los detalles como el nombre de la lista y los títulos de los vídeos o como una simple lista de una dirección URL con los vídeos</string>
     <string name="video_details_list_item">- %1$s: %2$s</string>
     <plurals name="replies">
         <item quantity="one">%s respuesta</item>

app/src/main/res/values-et/strings.xml

@@ -804,7 +804,6 @@
     <string name="share_playlist_content_details">%1$s
 \n%2$s</string>
     <string name="share_playlist">Jaga esitusloendit</string>
-    <string name="share_playlist_with_titles_message">Jaga esitusloendit kas väga detailse teabega palade kohta või lihtsa url\'ide loendina</string>
     <string name="video_details_list_item">- %1$s: %2$s</string>
     <string name="show_more">Näita veel</string>
     <plurals name="replies">

app/src/main/res/values-eu/strings.xml

@@ -774,7 +774,6 @@
     <string name="notification_actions_summary_android13">Editatu beheko jakinarazpen ekintza bakoitza gainean sakatuz. Lehen hiru ekintzak (erreproduzitu/pausatu, aurrekoa eta hurrengoa) sistemarengatik ezarrita daude eta ezin dira pertsonalizatu.</string>
     <string name="rewind">Atzera egin</string>
     <string name="image_quality_title">Irudiaren kalitatea</string>
-    <string name="share_playlist_with_titles_message">Partekatu erreprodukzio-zerrenda xehetasunekin, esate baterako, erreprodukzio-zerrendaren izena eta bideo-izenburuak edo bideo-URLen zerrenda soil gisa</string>
     <string name="more_options">Aukera gehiago</string>
     <string name="duration">Iraupena</string>
     <string name="forward">Aurrera egin</string>

app/src/main/res/values-fi/strings.xml

@@ -759,7 +759,6 @@
     <string name="rewind">Kelaa taaksepäin</string>
     <string name="feed_fetch_channel_tabs_summary">Noudettavat välilehdet syötettä päivitettäessä. Tällä valinnalla ei ole vaikutusta, jos kanava päivitetään käyttämällä nopeaa tilaa.</string>
     <string name="delete_downloaded_files_confirm">Poistetaanko kaikki ladatut tiedostot levyltä\?</string>
-    <string name="share_playlist_with_titles_message">Jaa soittolista, jossa on tietoja, kuten soittolistan nimi ja videon nimi, tai yksinkertainen luettelo videoiden URL-osoitteista</string>
     <string name="image_quality_medium">Keskilaatu</string>
     <string name="metadata_uploader_avatars">Lataajan avatarit</string>
     <string name="percent">Prosentti</string>

app/src/main/res/values-fr/strings.xml

@@ -817,7 +817,6 @@
     <string name="forward">Avancer</string>
     <string name="rewind">Rembobiner</string>
     <string name="replay">Rejouer</string>
-    <string name="share_playlist_with_titles_message">Partager la liste de lecture avec des détails tel que son nom et le titre de ses vidéos ou simplement la liste des URLs des vidéos</string>
     <string name="metadata_uploader_avatars">Avatars du téléverseur</string>
     <string name="image_quality_summary">Sélectionnez la qualité des images et si les images doivent être chargées, pour réduire l\'utilisation de la mémoire et de données. Les modifications vident à la fois le cache des images en mémoire et sur le disque — %s</string>
     <string name="play">Lire</string>

app/src/main/res/values-gl/strings.xml

@@ -815,7 +815,6 @@
     <string name="metadata_banners">Encabezados</string>
     <string name="show_channel_tabs_summary">Lapelas a mostrar nas páxinas das canles</string>
     <string name="image_quality_summary">Escolla da calidade das imaxes e se cargar as imaxes na súa totalidade, para reducir o uso de datos e memoria. Os cambios limpan a caché das imaxes na memoria e no disco - %s</string>
-    <string name="share_playlist_with_titles_message">Compartir a lista de reprodución con detalles como o nome da lista e os títulos dos videos ou como unha lista sinxela cos enlaces URL dos videos</string>
     <string name="share_playlist_with_list">Compartir lista de URLs</string>
     <string name="import_settings_vulnerable_format">A configuración da exportación a ser importada emprega un formato vulnerable que fica obsoleto dende NewPipe 0.27.0. Comprobe que a exportación que está a importar proveña dunha fonte fiable e preferibelmente empregue exportacións de NewPipe 0.27.0 ou posterior. A compatibilidade coa importación deste formato vulnerable será eliminada por completo próximamente e as versión antigas de NewPipe non poderán importar configuracións de exportacións dende novas versións.</string>
     <string name="channel_tab_tracks">Pistas</string>

app/src/main/res/values-he/strings.xml

@@ -830,7 +830,6 @@
     <string name="share_playlist_content_details">%1$s
 \n%2$s</string>
     <string name="share_playlist">שיתוף רשימת נגינה</string>
-    <string name="share_playlist_with_titles_message">שיתוף רשימת נגינה עם פרטים כגון שם רשימת נגינה וכותרות סרטונים או כרשימה פשוטה של כתובות סרטונים</string>
     <string name="video_details_list_item">- %1$s: %2$s</string>
     <string name="show_more">להציג עוד</string>
     <string name="show_less">להציג פחות</string>

app/src/main/res/values-hi/strings.xml

@@ -804,7 +804,6 @@
     <string name="share_playlist_content_details">%1$s
 \n%2$s</string>
     <string name="share_playlist">प्लेलिस्ट साझा करें</string>
-    <string name="share_playlist_with_titles_message">प्लेलिस्ट को प्लेलिस्ट नाम और वीडियो शीर्षक जैसे विवरण के साथ या वीडियो यूआरएल की एक सरल सूची के रूप में साझा करें</string>
     <string name="video_details_list_item">- %1$s: %2$s</string>
     <plurals name="replies">
         <item quantity="one">%s जवाब</item>